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TSX
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596import assert from "node:assert/strict"import test from "node:test"import { PassThrough } from "node:stream"import { render } from "ink"import { useState } from "react"import { TextInput } from "./text-input.js"
function harness() { // Mirror the screens.test mount: ink needs a ref/unref-capable raw-mode stdin. const stdin = Object.assign(new PassThrough(), { isTTY: true, setRawMode: () => stdin, ref: () => stdin, unref: () => stdin }) as unknown as NodeJS.ReadStream const stdout = Object.assign(new PassThrough(), { isTTY: true, columns: 80, rows: 24 }) as unknown as NodeJS.WriteStream return { stdin, stdout }}
function Probe({ submitted, onChange }: { submitted: (value: string) => void; onChange: (value: string) => void }) { const [value, setValue] = useState("") return <TextInput value={value} onChange={(next) => { setValue(next); onChange(next) }} onSubmit={submitted} />}
test("a return inside one input chunk still submits the line", async () => { const { stdin, stdout } = harness() const submitted: string[] = [] const { unmount } = render(<Probe submitted={(v) => submitted.push(v)} onChange={() => {}} />, { stdin, stdout, patchConsole: false, exitOnCtrlC: false }) stdin.write("/a\r") await new Promise((resolve) => setTimeout(resolve, 50)) unmount() assert.deepEqual(submitted, ["/a"])})
test("a pasted two-line chunk submits both lines", async () => { const { stdin, stdout } = harness() const submitted: string[] = [] const { unmount } = render(<Probe submitted={(v) => submitted.push(v)} onChange={() => {}} />, { stdin, stdout, patchConsole: false, exitOnCtrlC: false }) stdin.write("first\nsecond\n") await new Promise((resolve) => setTimeout(resolve, 50)) unmount() assert.deepEqual(submitted, ["first", "second"])})
test("plain typing still accumulates without submitting", async () => { const { stdin, stdout } = harness() const submitted: string[] = [] const values: string[] = [] const { unmount } = render(<Probe submitted={(v) => submitted.push(v)} onChange={(v) => values.push(v)} />, { stdin, stdout, patchConsole: false, exitOnCtrlC: false }) stdin.write("ab"); stdin.write("c") await new Promise((resolve) => setTimeout(resolve, 50)) unmount() assert.deepEqual(submitted, []) assert.equal(values.at(-1), "abc")})
function Composer({ onChange }: { onChange: (value: string) => void }) { const [value, setValue] = useState("") return <TextInput multiline value={value} onChange={(next) => { setValue(next); onChange(next) }} onSubmit={() => {}} />}
test("option and ctrl arrows move by word, and option+return opens a line", async () => { const { stdin, stdout } = harness() const values: string[] = [] const { unmount } = render(<Composer onChange={(v) => values.push(v)} />, { stdin, stdout, patchConsole: false, exitOnCtrlC: false }) const press = async (sequence: string) => { stdin.write(sequence); await new Promise((resolve) => setTimeout(resolve, 20)) }
await press("alpha beta gamma") await press("\u001b[1;3D") // option+left, twice, lands before "beta" await press("\u001b[1;3D") await press("X") assert.equal(values.at(-1), "alpha Xbeta gamma")
await press("\u001b[1;3D") // back to the start of "Xbeta" await press("\u001b[1;5D") // ctrl+left crosses into "alpha" await press("Z") assert.equal(values.at(-1), "Zalpha Xbeta gamma")
await press("\u001bf") // readline word-forward, over "Zalpha" await press("Y") assert.equal(values.at(-1), "ZalphaY Xbeta gamma")
await press("\u001b\r") // option+return assert.equal(values.at(-1), "ZalphaY\n Xbeta gamma") unmount()})
test("shift+return opens a line without submitting", async () => { const { stdin, stdout } = harness() const values: string[] = [] const { unmount } = render(<Composer onChange={(v) => values.push(v)} />, { stdin, stdout, patchConsole: false, exitOnCtrlC: false }) stdin.write("one") await new Promise((resolve) => setTimeout(resolve, 20)) stdin.write("\u001b[13;2u") // shift+return, kitty/modifyOtherKeys form await new Promise((resolve) => setTimeout(resolve, 20)) stdin.write("two") await new Promise((resolve) => setTimeout(resolve, 30)) unmount() assert.equal(values.at(-1), "one\ntwo")})